<?php

namespace App\Common;

use App\Constants\CacheKey;
use Hyperf\Utils\Traits\StaticInstance;

class Helper
{
    use StaticInstance;

    /**
     * 隐藏手机号
     * @param $phone
     * @return array|string|string[]|null
     */
    public function hidePhone($phone)
    {
        return preg_replace('/(1[123456789]{1}[0-9])[0-9]{4}([0-9]{4})/i', '$1****$2', $phone);
    }

    /**
     * Generate a random "word character" string (alphanumeric characters plus underscore)
     * @param int $len
     * @return string
     */
    public function getRandomWordCharacters(int $len): string
    {
        $charPool = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_*$%#";
        $charPoolSize = strlen($charPool);

        $string = "";
        while ($len) {
            $string .= $charPool[mt_rand(0, $charPoolSize - 1)];
            --$len;
        }

        return $string;
    }

    /**
     * MD5加密
     * @param string $str1
     * @param string $str2
     * @return string
     */
    public function md5Pwd(string $str1, string $str2 = ''): string
    {
        if ($str2 == '') {
            return md5(md5($str1));
        }
        return md5(md5($str1) . $str2);
    }

    /**
     * CBC加密
     * @param $str
     * @param $iv
     * @return string
     */
    public function encryptCbcStr($str, $iv): string
    {
        $key = base64_decode(config('nacos_config.data.openssl_cbc_key'));
        return base64_encode(openssl_encrypt($str, "AES-256-CBC", $key, OPENSSL_RAW_DATA, self::encryptCbcIv($iv)));
    }

    /**
     * CBC解密
     * @param $cipher_text
     * @param $iv
     * @return false|string
     */
    public function decryptCbcStr($cipher_text, $iv)
    {
        $key = base64_decode(config('nacos_config.data.openssl_cbc_key'));
        return openssl_decrypt(base64_decode($cipher_text), "AES-256-CBC", $key, OPENSSL_RAW_DATA, self::encryptCbcIv($iv));
    }

    public function encryptCbcIv($iv)
    {
        $keys = str_split(config('nacos_config.data.openssl_cbc_iv_key'). $iv);
        sort($keys);
        return substr(strtoupper(md5(implode("", $keys))), 0, openssl_cipher_iv_length("AES-256-CBC"));
    }

    /**
     * 随机生成姓名
     * created by: lhw at 15/2/2022 4:40 下午
     * @return String
     */
    public function rndChinaName(): string
    {
        $xing = array('赵','钱','孙','李','周','吴','郑','王','冯','陈','褚','卫','蒋','沈','韩','杨','朱','秦','尤','许','何','吕','施','张','孔','曹','严','华','金','魏','陶','姜','戚','谢','邹','喻','柏','水','窦','章','云','苏','潘','葛','奚','范','彭','郎','鲁','韦','昌','马','苗','凤','花','方','任','袁','柳','鲍','史','唐','费','薛','雷','贺','倪','汤','滕','殷','罗','毕','郝','安','常','傅','卞','齐','元','顾','孟','平','黄','穆','萧','尹','姚','邵','湛','汪','祁','毛','狄','米','伏','成','戴','谈','宋','茅','庞','熊','纪','舒','屈','项','祝','董','梁','杜','阮','蓝','闵','季','贾','路','娄','江','童','颜','郭','梅','盛','林','钟','徐','邱','骆','高','夏','蔡','田','樊','胡','凌','霍','虞','万','支','柯','管','卢','莫','柯','房','裘','缪','解','应','宗','丁','宣','邓','单','杭','洪','包','诸','左','石','崔','吉','龚','程','嵇','邢','裴','陆','荣','翁','荀','于','惠','甄','曲','封','储','仲','伊','宁','仇','甘','武','符','刘','景','詹','龙','叶','幸','司','黎','溥','印','怀','蒲','邰','从','索','赖','卓','屠','池','乔','胥','闻','莘','党','翟','谭','贡','劳','逄','姬','申','扶','堵','冉','宰','雍','桑','寿','通','燕','浦','尚','农','温','别','庄','晏','柴','瞿','阎','连','习','容','向','古','易','廖','庾','终','步','都','耿','满','弘','匡','国','文','寇','广','禄','阙','东','欧','利','师','巩','聂','关','荆','司马','上官','欧阳','夏侯','诸葛','闻人','东方','赫连','皇甫','尉迟','公羊','澹台','公冶','宗政','濮阳','淳于','单于','太叔','申屠','公孙','仲孙','轩辕','令狐','徐离','宇文','长孙','慕容','司徒','司空');
        $numXing = count($xing);
        $ming = array('伟','刚','勇','毅','俊','峰','强','军','平','保','东','文','辉','力','明','永','健','世','广','志','义','兴','良','海','山','仁','波','宁','贵','福','生','龙','元','全','国','胜','学','祥','才','发','武','新','利','清','飞','彬','富','顺','信','子','杰','涛','昌','成','康','星','光','天','达','安','岩','中','茂','进','林','有','坚','和','彪','博','诚','先','敬','震','振','壮','会','思','群','豪','心','邦','承','乐','绍','功','松','善','厚','庆','磊','民','友','裕','河','哲','江','超','浩','亮','政','谦','亨','奇','固','之','轮','翰','朗','伯','宏','言','若','鸣','朋','斌','梁','栋','维','启','克','伦','翔','旭','鹏','泽','晨','辰','士','以','建','家','致','树','炎','德','行','时','泰','盛','雄','琛','钧','冠','策','腾','楠','榕','风','航','弘','秀','娟','英','华','慧','巧','美','娜','静','淑','惠','珠','翠','雅','芝','玉','萍','红','娥','玲','芬','芳','燕','彩','春','菊','兰','凤','洁','梅','琳','素','云','莲','真','环','雪','荣','爱','妹','霞','香','月','莺','媛','艳','瑞','凡','佳','嘉','琼','勤','珍','贞','莉','桂','娣','叶','璧','璐','娅','琦','晶','妍','茜','秋','珊','莎','锦','黛','青','倩','婷','姣','婉','娴','瑾','颖','露','瑶','怡','婵','雁','蓓','纨','仪','荷','丹','蓉','眉','君','琴','蕊','薇','菁','梦','岚','苑','婕','馨','瑗','琰','韵','融','园','艺','咏','卿','聪','澜','纯','毓','悦','昭','冰','爽','琬','茗','羽','希','欣','飘','育','滢','馥','筠','柔','竹','霭','凝','晓','欢','霄','枫','芸','菲','寒','伊','亚','宜','可','姬','舒','影','荔','枝','丽','阳','妮','宝','贝','初','程','梵','罡','恒','鸿','桦','骅','剑','娇','纪','宽','苛','灵','玛','媚','琪','晴','容','睿','烁','堂','唯','威','韦','雯','苇','萱','阅','彦','宇','雨','洋','忠','宗','曼','紫','逸','贤','蝶','菡','绿','蓝','儿','翠','烟');
        $numMing = count($ming);

        $resXing = $xing[mt_rand(0, $numXing)];
        $resMing = $ming[mt_rand(0, $numMing)];

        return $resXing.$resMing;
    }
}
